Electronic switching telephone system



.lune 26, 1962 T. FRANKEL ELECTRONIC SWTCHING TELEPHONE SYSTEM 62 Sheets--Sheec 1 mxZDmP Sn-.0.7.2.0

Filed Sept. 15, 195B mesmo ..53

INVENTOR.

TH EODOR FRANKEL FW W ATTORNEY June 26, 1962 T. FRANKEL ELECTRONIC SWITCHING TELEPHONE SYSTEM Filed Sept. l5, 1958 V d DOW- N mwz 1051118 531312--.. 51N 51. 11... 11..., 11... 2 1z 11... 11... IT Ew .c1210 121.111 wm 1.1m 1111.1 i131 mz3 -l kw m 1051411 om 69-1515.; 51.1 1 @1118 31. E. 1zz 1o xEz :315 M@ .515e 11... mm 12m E v z f xsx MMV-....- ff@ w1 1.1 11 11 11 I| KON 021m 3 O 4, 1 4 nw 3 June 26, 1962 T. FRANKEL ELECTRONIC SWITCHING TELEPHONE v.SYSTEM Filed sept. 15,v 1958 6 2 Sheets-Sheet 3 P ,NE mamoum June 26, 1962 T. FRANKEL 3,041,403

ELECTRONIC SWITCEING TELEPHONE SYSTEM Filed Sept. l5, 1958 n v 62 Sheets-Sheet 4 RECEIVE PAIR 2l SEND PAIR- 2O HIGHWAY N9I SENO SUB PAIR-l" LIN E LIN E SUB LIN E CIRCUIT- CIRCUIT- D' CIRCUIT- gfIIl/Eb I I I I IO |00 MARITS M-IISTEIBS. l MTIQII'R'IS.

sosaaa BY TIA UIA sosasaz TIA UOA sosasza TOA BYIIO FROM OTHER LINE CIRCUITS IN FIRST HUNDREDS GROUP 30 SEIZURE DETECTOR (LINES III-IOO) LINE FINDER HIGHWAY Ng 2 LINES I III -IOOI LINE LINE SUB' cIRcUIT- S' cIRcUIr- 2II aIO TO To INT.v NIA'I'RI TIB MATRIc's. .n B 30sa524 Ul sosas24 UO BY2 I l LNI-2n SOIE BY 2'0 CH2-2u -2IO FROM OTHER LINE all? LI-I I-2IO cmcUITs IN` sI-:cON D LH 2-2ll HUNDREDS GROUP HIZ'O June 26, 1962 T. FRANKEL ELECTRONIC swITcHING TELEPHONE SYSTEM Filed sept. 15. 195e 62 Sheets-Sheet 5 HIGHWAY Na 2/ HIGHWAY N2 HWI LINK OUTPUT MATRIX-54 (Lmes lll-loo) FIG. 5

Y LINE AND TRUNK -"1 LINE AND TRUNK I CHANNEL ll-lwl LINKAGE UNE LINKv |-Hw|A III IIIIII IIIIJI RSN-25HI June 26, 1962 T. FRANKEL 3,041,403

ELECTRONIC swITcHING TELEPHONE SYSTEM Filed Sept. l5, 1958 62 Sheets-Sheet '7 IGON HIGHWAY N2. g |58N 2o UMl-HIA UM2 TMI-HIA Xl TMO-H UMO H|A TMI-HIA TMO-H 38 UN TENS ITS CHANNEL lHwl CONNECTOR (LINES lll-loo) UGO-HIA TGI-HIA TMI-H TMO-HIA 30| TENS CHANNEL 25HWI CONNECTOR (LINES lll-|00) uNlTs IAl HWI CONNECTOR INTERROG'T'G.

MATR IX 305 li l Il l': (LINES lll-|00) BYIOZ BY |00 S2-25H I June 26, 1962 T. FRANKEL 3,041,403

' ELECTRONIC SWITCHING TELEPHONE SYSTEM I Filed Sept. l5, 1958 y 62 Sheets-Sheet 8 zh HIGHWAY N2 l( FIG.8

/M FRS MXI ro-IH, CHANNEL IHWI CHANNEL IHWI v FIRST RELEASE MX' sELEcroR csRcun' coNNEcroR CHANNEL lHwl ALLor'rER /346 SECOND Hwl M'\ x| SELECTOR (LINES lll-|00) ssc-nu cHo-HIA HieHwAY Nel 2|/ STR-IHI June 26, 1962 T. FRANKEL 3,041,403

ELECTRONIC swITcHING TELEPHONE SYSTEM Filed Sept. l5, 1958 62 Sheets-Slfxeeil 9 CH2-III HIGHWAY NE l UMl-HZA lcomuseola ouTPuT MATR'lx-sze (LINES lll-|00) UNITS CHANNEL mwa coNNEIcToR (LINES lll-|00) T UNITS TENS CHANNEL 25HW2 CONNECTOR (Lum-:s ln-loo) CONNECTOR INTERROG'T'G.

MATRIX-322 (LINES lll-loo) June 26, 1962 T. vFRANKEI. 3,041,403

ELECTRONIC SWITCHING TELEPHONE SYSTEM Filed Sept. l5, 1958 62 Sheets-Sheet 11 MATRIX- 410 MATRIX- HWI 4|6 FROM TRUNK FROM TRUNK 42 ourPu-r ourPuT mAL-To-DIAL mAL-To-DIAL MATRIX-Hwa #l ro 426 Tnumdlo To LocALoFn-s THe-4| Loc Loma DIAL-TO-DIAL DIAL-TO-DIAL TRUNK CIRCUIT#| TRUNK CIRCUIT#IO To LOCAL-OFFICE -3 To LocALoFFlcE-a FIGA! l Mxas RSN-25Hl MXI June 26, 1962 T. FRANKEL 3,041,403

ELECTRONIC SWITCHING TELEPHONE SYSTEM Filed Sept. l5, 1958 62 Sheets-Sheet 12 HIGHWAY N 2 I FROM TRUNK l FRoM TRUNK THl-ol TNI-05 mom mum( Fnou TRuNK OUTPUT mAL-ro-DIAL mmxmmm-DIAL #s Hwa muums [I DIAL-TO-DIAL DIAL-TOLDIAL TRUNK CIRCUITI TRUNK CIRCUITIIS To LocALoFFlcE-el To LocAL oFFlcE-el l vom' l 150 Il I RSN-25H I Mxl June 26, 1962 1'. FRANKEL 3,041,403

ELECTRONIC swITcHING TELEPHONE SYSTEM Filed Sept. l5, 1958 62 Sheets-Sheet 13 HIG AY N.' 2

HIGHWAY N". I

l H I FROM TR n FROM TRUNK THl-ll THl-so FROM TRK FROM TRUNK ouTPuT ouTPuT TH2-3O LQNG DISTANCE LONG DISTANCE l TRUNK CIRCUITIII TRUNK CIRCUIT#3O To Lons olsT. sw. To Lone olsmswen'r'nflo June 26, 1962 T. FRANKEL ELECTRONIC sIIITcIIING TELEPHONE SYSTEM 62 Sheets-Sheet 14 Filed Sept. l5, 1958 HIGHWAY Nl INFORMATION TRUNK@ INFORMATION TRUNK cIRcu Irfz To ATTENnANT's cAIaINIaT-- 59 INFORMATION I TRUNK cIRcuITI :To ATTgNoANT's CABINET I RBT I I Q TRUNK ALLOTTER FOR INFORMATION TRUNKS June 26, 1962 T. FRANKEL ELEcTRoNxc swITcHING TELEPHONE SYSTEM 62 Sheets-Shea?l 1'7 Filed Sept. 15, 1958 June 26, 1962 T. FRANKEI. 3,041,403

ELECTRONIC swITcHING TELEPHONE sYsTEI/I Filed Sept. l5, 1958 62 Sheets-Sheet 19 RSN-IH UMl-HIB TMI-Hl oNNEc-ron OUTPUT MATRIX-46 (LINEs all-20o) uNIrs CHANNEL IHWI CONNECTOR (LINES 2II-2o0) IB TGI-HIB TMI-HIB UNITS CHANNEL 25HWI CONNECTOR (LINES aII-zoo) BTH TGI-HIB TG2-HIB coNNEcToR I I INTERRos'T'e. 5I i NATRIxaos I g (LINES 2li-200) l BT RS June` 26, 1962 T. FRANKEI.

ELECTRONIC sIIITcIIING TELEPHONE sYsTEI/I Filed Sept. 15, 1958 H 5 9.. N S R RSN-IHI COMMON EQUIPMENT RELEASE TONE GENERATOR SEIZE TONE GENERATOR PULSE GENERATOR DIAL TONE GENERATOR eENERAroR BusY ToNE GENERATOR- RINGING SIGNAL GENERA'roR FIG. 2O

CONNECTOR ALLOTTER HWI cAI-I-IIB? I I I I I I I I I I (M25-HIB5 CHO-HIB RsJ 

